... underlying asthenosphere 下伏软流圈 underlying bed 下伏层；底层 underlying bedrock 下伏基岩 ...
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这套地层为具有红层性质的河—湖环境产物，与下伏上二叠统林西组沉积有较大的差异。
The Lower Triassic is of fluvial lacustrine facies with red bed features and notably different from its underlying Upper Permian Linxi Formation.
从剖面上部去掉最年轻的层，使下伏的岩层恢复到原始的、未被扰动的状态。
Removal of the youngest layers of rock at the top of the section allows restoration of the underlying layers to their initial, undisturbed configurations.
能确定不同源岩层所作的贡献，进而对混层开采进行配产，并能为下伏油藏的存在提供快速的判识。
The isotopic analyses in commingled production could be used to allocate contributions of individual sands and distinguish underlying oil reservoirs.
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